CPC H10N 30/857 (2023.02) [G01H 11/08 (2013.01); G01P 15/0922 (2013.01); H10N 30/302 (2023.02)] | 15 Claims |
1. A vibration sensor comprising:
a support;
an organic piezoelectric material deformably disposed in or on the support; and
an electrode for extracting an electrical signal generated by deformation of the organic piezoelectric material, the electrode being formed on the organic piezoelectric material,
the organic piezoelectric material comprising a copolymer of vinylidene fluoride and one or more monomers copolymerizable with vinylidene fluoride, comprising no inorganic ceramic piezoelectric materials, and having an inner haze value of 3% or more,
wherein the vibration sensor is fixed to an object to be measured in order to detect the vibration of the object, and wherein the object has a solid structure.
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